Question

Where is the shift solenoid located on a 1999 Ford Expedition 5.4L? P0755 code return

Answer 1

P0755 Shift solenoid "B" circuit failure

Possible causes Shift solenoid "B" failure,PCM failure

It is a whole assemly known as shift solenoid assembly , located in the transmission valve body, depending on the type of transmission the vehicle has part number (OEM) is For a 4R100  OEM number is F81Z7G391CB , For a 4R70W/4R75W OEM part number is 6L3Z7G484A